Display screen or portion thereof with icon



The sole FIGURE is a front view of a display screen or portion thereof with icon showing my new design.

The short-dashed broken lines within the solid lines of the drawing depict features of the display screen or portion thereof with icon that form no part of the claimed design. The long dashed broken line surrounding the display screen or portion thereof with icon depicts the boundary of the claim and forms no part thereof. 

CLAIM The ornamental design for a display screen or portion thereof with icon, as shown and described. 